This bug was fixed in the package linux-starfive-5.17 - 5.17.0-1005.6

---------------
linux-starfive-5.17 (5.17.0-1005.6) jammy; urgency=medium

  * jammy/linux-starfive-5.17: 5.17.0-1005.6 -proposed tracker (LP:
#1983089)

  * Pinctrl driver has a race condition bug (LP: #1983019)
    - pinctrl: starfive: Serialize adding groups and functions

  * /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf cannot be booted with KVM
    (LP: #1980594)
    - RISC-V: KVM: Fix SRCU deadlock caused by kvm_riscv_check_vcpu_requests()

 -- Emil Renner Berthing <emil.renner.berth...@canonical.com>  Fri, 29
Jul 2022 15:02:57 +0200

** Changed in: linux-starfive-5.17 (Ubuntu Jammy)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1980594

Title:
  /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf cannot be booted with KVM

Status in linux package in Ubuntu:
  In Progress
Status in linux-allwinner-5.17 package in Ubuntu:
  In Progress
Status in linux-riscv package in Ubuntu:
  Invalid
Status in linux-starfive-5.17 package in Ubuntu:
  In Progress
Status in linux source package in Jammy:
  In Progress
Status in linux-allwinner-5.17 source package in Jammy:
  Fix Committed
Status in linux-riscv source package in Jammy:
  Invalid
Status in linux-starfive-5.17 source package in Jammy:
  Fix Released

Bug description:
  QEMU 7.0 supports KVM on RISC-V.
  Package u-boot-qemu supplies /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf.

  That binary cannot be used to boot via qemu-system-riscv64 -kvm.

  File u-boot produced by qemu-riscv64_smode_defconfig with

  CONFIG_MTD_NOR_FLASH=n
  CONFIG_CMD_NET=n

  can be used to start U-Boot with qemu-system-riscv64 -kvm. But any
  virtio access leads to a crash leaving QEMU unresponsive.

  Cf. https://lists.denx.de/pipermail/u-boot/2022-July/487893.html
  --- 
  ProblemType: Bug
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jul 10 19:58 seq
   crw-rw---- 1 root audio 116, 33 Jul 10 19:58 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.22.0-0ubuntu4
  Architecture: riscv64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', 
'/dev/snd/timer'] failed with exit code 1:
  CRDA: N/A
  CasperMD5CheckResult: unknown
  DistroRelease: Ubuntu 22.10
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lspci-vt:
   -[0000:00]-+-00.0  Red Hat, Inc. QEMU PCIe Host bridge
              +-01.0  Red Hat, Inc. QEMU XHCI Host Controller
              +-02.0  Red Hat, Inc. Virtio block device
              \-03.0  Red Hat, Inc. Virtio block device
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Keyboard
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Lsusb-t:
   /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
   /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
       |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 
480M
  Package: linux-starfive-5.17 (not installed)
  PciMultimedia:
   
  ProcCpuinfoMinimal:
   processor    : 7
   hart         : 7
   isa          : rv64imafdcsuh
   mmu          : sv48
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.17.0-1003-starfive 
root=UUID=504657a8-56e8-431b-9c85-65c5737ccf80 ro default_hugepagesz=2M 
hugepagesz=2M hugepages=2048 earlycon efi=debug
  ProcVersionSignature: Ubuntu 5.17.0-1003.4-starfive 5.17.9
  RelatedPackageVersions:
   linux-restricted-modules-5.17.0-1003-starfive N/A
   linux-backports-modules-5.17.0-1003-starfive  N/A
   linux-firmware                                20220621.git7b71b75b-0ubuntu1
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  Tags:  kinetic uec-images
  Uname: Linux 5.17.0-1003-starfive riscv64
  UnreportableReason: This report is about a package that is not installed.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: N/A
  _MarkForUpload: False
  acpidump:

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